I provide professional backend API development that is scalable, secure, and production-ready — built for startups, fintech platforms, e-commerce, and Web3 applications.
What I deliver:
REST API Development
- Clean layered architecture: Routes → Controller → Services
- Standardized error response & HTTP status handling
- OpenAPI/Swagger documentation & Postman collection
- Versioned API design
Authentication & Security
- JWT Access Token + Refresh Token
- OAuth 2.0 & API Key management
- 2FA via TOTP (Google Authenticator)
- Role-based access control (RBAC)
Database & Infrastructure
- PostgreSQL, MongoDB, Redis
- Docker containerization
- AWS EC2 deployment
- CI/CD pipeline setup (GitHub Actions)
Advanced Features
- Webhook handling & event-driven architecture
- WebSocket real-time communication
- Message broker (Kafka, RabbitMQ)
- gRPC & Protobuf
- Microservices architecture
Proven track record: Built 133 REST API endpoints across 20 modules with full OpenAPI spec, processing 50,000+ transactions with 99.9% uptime. Reduced payment processing time by 70% through backend optimization.
Portfolio: https://krakenteam.netlify.app GitHub: https://github.com/kraken-backend
"Price is negotiable based on project scope. Contact me for a free consultation!"
